Gjennomsnittlig GPS-koordinater for postnummer 300-1421: 35.918, 140.332
Notering byer:
>> Horikawa 300-1421, Ibarakiken, Inashikigunshintonemachi, GPS-koordinater: 35.9175,140.3322
Notering byer:
>> Horikawa 300-1421, Ibarakiken, Inashikigunshintonemachi, GPS-koordinater: 35.9175,140.3322